Not
many
years
ago
our
planet
____________________
full
of
forests
.
There
____________________
many
different
animals
because
there
____________________
any
dangers
.
The
weather
____________________
so
hot
and
there
____________________
much
rain
.
There
____________________
clean
rivers
and
there
____________________
clean
oceans
.
There
____________________
any
pollution
.